diff --git a/requirement.txt b/requirement.txt
index 0b3bf1e..7f1368a 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -76,7 +76,7 @@ pkginfo==1.4.2
 pluggy==0.6.0
 ply==3.11
 prompt-toolkit==1.0.15
-psutil==5.4.5
+psutil==5.6.6
 ptyprocess==0.5.2
 py==1.5.3
 pyasn1==0.4.5